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Results 1 - 2 of 2 for Intellectual "disability," autosomal dominant 50
  1. ... of these gene changes. Noonan syndrome is an autosomal dominant condition. This means only one parent has to pass down the variant gene for the child to have the syndrome. However, some cases may not be inherited and instead happen by chance (spontaneously).
  2. ... most commonly passed down through families as an autosomal dominant trait. This means you develop the syndrome if either parent passes the gene to you. If either of your parents has this syndrome, you have a 50% chance of having it. It is also possible ...